WEEK 3

How is heat transferred in solid materials?

• A. conduction

• B. motion

• C. radiation

• D. variation

What method of heat transfer shown in the picture?

• Radiation

• Conduction

• Convection

• None of these

What may happen to a chocolate when it is continuously exposed to heat? It will...

• A. disappear

• B. expand

• C. harden

• D. melt

Which of the following statements about heat is correct?

• It travels in air and water by conduction.

• It transmits across an empty space or vacuum.

• It travels more slowly in liquid than in most solid.

• It travels the fastest in solids and slower in gases.

Which describes the cyclical movement of water in boiling water?

• A. Conduction

• B. Convection

• C. Radiation

• D. Sound